incubator-couchdb-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jan Lehnardt <...@apache.org>
Subject Re: Trouble with replication
Date Thu, 29 Jan 2009 23:15:42 GMT

On 30 Jan 2009, at 00:12, Antony Blakey wrote:
>>
>> It's not a conflict, the edit document is simply refused by B. The  
>> replication of the remaining documents will continue.
>>
>> If a user on B also edits the document and it replicates to A, then  
>> users of A will see a conflict, but users on B will not.
>
> So replication doesn't necessarily result in consistent state  
> between nodes, with the further result that p2p meshes need to be  
> aware of this because homogeneity of the mesh would depend on  
> maintaining a consistent global order of updates, which isn't  
> possible.
>
> Does this mean that this statement on the wiki overview: 'When  
> distributed edit conflicts occur, every database replica sees the  
> same winning revision' is no longer true?

Modulo validation & access control, the statement is still true.

Cheers
Jan
--

Mime
View raw message